Model: I-531S

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2000 inches
Chamfer Angle In Deg
45.0
Groove Diameter
0.3660 inches
Chamfer Length
0.0200 inches
Groove Width
0.1420 inches
Outside Diameter
Between 2.0150 inches and 2.0250 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3800 inches
Stem Length
5.6390 inches
Stem Diameter
Between 0.4349 inches and 0.4358 inches
Distance From Groove To Stem End
0.1590 inches
Material And Location
Steel, federal standard 66, aisi/sae 8645 stem
Material And Location
Steel, federal standard 66, sae ev6 head
Fsc Application Data
Gasoline engine
NSN
2805-00-657-4826
Part Number
I-531S
Description
Valve,poppet,engine
CAGE
83087

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

Part I-531S NSN 2805-00-657-4826

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for spark-ignition internal combustion piston engines, nesoi

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